> I'm looking for a Perl6 way to say that oft-repeated, oft-chained
> two-line snippet up there without declaring the temporary variable.
> Using C<given> or C<when>, maybe?
I think you're going to have to have some holding space, but $_ should
do it and still avoid the predeclaration. My P6 syntax is still weak,
though. Maybe
given big_calc() { return $_ if $_ }
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